23217423 has 8 divisors (see below), whose sum is σ = 31047168. Its totient is φ = 15432984.

The previous prime is 23217421. The next prime is 23217433. The reversal of 23217423 is 32471232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23217423 - 2¹ = 23217421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23217393 and 23217402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23217421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10111 + ... + 12192.

It is an arithmetic number, because the mean of its divisors is an integer number (3880896).

Almost surely, 2^23217423 is an apocalyptic number.

23217423 is a deficient number, since it is larger than the sum of its proper divisors (7829745).

23217423 is a wasteful number, since it uses less digits than its factorization.

23217423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22653.

The product of its digits is 2016, while the sum is 24.

The square root of 23217423 is about 4818.4461188230. The cubic root of 23217423 is about 285.2800079706.

Adding to 23217423 its reverse (32471232), we get a palindrome (55688655).

The spelling of 23217423 in words is "twenty-three million, two hundred seventeen thousand, four hundred twenty-three".